hello fc2800, this sounds like a problem with adware on your pc. please go to ''firefox > addons > extensions'' & remove ''Fast Free Converter 3.0 & MixiDJ V30 10.20.1.508''. <br>also uninstall all toolbars or potentially unwanted software from there and run a full scan of your system with the security software that you have in place and different other tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner]. [[Troubleshoot Firefox issues caused by malware]]